.\"	$NetBSD: menu_mark.3,v 1.10 2017/07/03 21:32:50 wiz Exp $
.\"
.\" Copyright (c) 1999
.\"	Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
.\"
.\" This code is donated to The NetBSD Foundation by the author.
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.Dd September 10, 1999
.Dt MENU_MARK 3
.Os
.Sh NAME
.Nm menu_mark ,
.Nm menu_unmark ,
.Nm set_menu_mark ,
.Nm set_menu_unmark
.Nd get or set strings that show mark status for a menu
.Sh LIBRARY
.Lb libmenu
.Sh SYNOPSIS
.In menu.h
.Ft char *
.Fn menu_mark "MENU *menu"
.Ft char *
.Fn menu_unmark "MENU *menu"
.Ft int
.Fn set_menu_mark "MENU *menu" "char *mark"
.Ft int
.Fn set_menu_unmark "MENU *menu" "char *mark"
.Sh DESCRIPTION
The
.Fn menu_mark
function returns a pointer to the character string that is used to
mark selected items in the menu.
The mark string is set by the
.Fn set_menu_mark
function.
The
.Fn menu_unmark
function returns a pointer to the character string that is used to
indicate a menu items is not selected, this string is set by the
.Fn set_menu_unmark
function.
The mark and unmark strings may be of differing lengths, the room
allocated to drawing the mark will be the maximum of the lengths of
both the mark and unmark strings.
The shorter of the two strings will be left justified and space padded.
.Sh RETURN VALUES
The functions return one of the following error values:
.Pp
.Bl -tag -width E_UNKNOWN_COMMAND -compact
.It Er E_OK
The function was successful.
.It Er E_SYSTEM_ERROR
There was a system error during the call.
.It Er E_BAD_ARGUMENT
One or more of the arguments passed to the function was incorrect.
.It Er E_POSTED
The menu is already posted.
.It Er E_CONNECTED
An item was already connected to a menu.
.It Er E_BAD_STATE
The function was called from within an initialization or termination
routine.
.It Er E_NO_ROOM
The menu does not fit within the subwindow.
.It Er E_NOT_POSTED
The menu is not posted.
.It Er E_UNKNOWN_COMMAND
The menu driver does not recognize the request passed to it.
.It Er E_NO_MATCH
The character search failed to find a match.
.It Er E_NOT_SELECTABLE
The item could not be selected.
.It Er E_NOT_CONNECTED
The item is not connected to a menu.
.It Er E_REQUEST_DENIED
The menu driver could not process the request.
.El
.Sh SEE ALSO
.Xr curses 3 ,
.Xr menus 3
.Sh NOTES
The header
.Pa <menu.h>
automatically includes both
.Pa <curses.h>
and
.Pa <eti.h> .